18494878968000

Names of 18494878968000

• Cardinal: 18494878968000 can be written as Eighteen trillion, four hundred ninety-four billion, eight hundred seventy-eight million, nine hundred sixty-eight thousand.

Scientific notation

• Scientific notation: 1.8494878968 × 10¹³

Factors of 18494878968000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 610

Divisors of 18494878968000

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 64 72 75 79 80 90 96 100 120 125 144 150 158 160 180 192 200 225 237 240 250 288 300 316 320 360 375 395 400 450 474 480 500 521 576 600 632 711 720 750 790 800 900 948 960 1000 1042 1125 1185 1200 1264 1422 1440 1500 1563 1580 1600 1800 1896 1975 2000 2084 2250 2370 2400 2528 2605 2844 2880 3000 3126 3160 3555 3600 3792 3950 4000 4168 4500 4689 4740 4800 5056 5210 5688 5925 6000 6241 6252 6320 7110 7200 7584 7815 7900 8000 8336 9000 9378 9480 9875 10420 11376 11850 12000 12482 12504 12640 13025 14220 14400 15168 15630 15800 16672 17775 18000 18723 18756 18960 19750 20840 22752 23445 23700 24000 24964 25008 25280 26050 28440 29625 31205 31260 31600 33344 35550 36000 37446 37512 37920 39075 39500 41159 41680 45504 46890 47400 49928 50016 52100 56169 56880 59250 62410 62520 63200 65125 71100 72000 74892 75024 75840 78150 79000 82318 83360 88875 93615 93780 94800 99856 100032 104200 112338 113760 117225 118500 123477 124820 125040 126400 130250 142200 149784 150048 156025 156300 158000 164636 166720 177750 187230 187560 189600 195375 199712 205795 208400 224676 227520 234450 237000 246954 249640 250080 260500 280845 284400 299568 300096 312050 312600 316000 329272 355500 370431 374460 375120 379200 390750 399424 411590 416800 449352 468075 468900 474000 493039 493908 499280 500160 521000 561690 568800 586125 599136 617385 624100 625200 632000 658544 711000 740862 748920 750240 780125 781500 823180 833600 898704 936150 937800 948000 986078 987816 998560 1028975 1042000 1123380 1137600 1172250 1198272 1234770 1248200 1250400 1317088 1404225 1422000 1479117 1481724 1497840 1500480 1560250 1563000 1646360 1797408 1852155 1872300 1875600 1896000 1972156 1975632 1997120 2057950 2084000 2246760 2340375 2344500 2465195 2469540 2496400 2500800 2634176 2808450 2844000 2958234 2963448 2995680 3086925 3120500 3126000 3251561 3292720 3594816 3704310 3744600 3751200 3944312 3951264 4115900 4168000 4437351 4493520 4680750 4689000 4930390 4939080 4992800 5144875 5616900 5688000 5916468 5926896 5991360 6173850 6241000 6252000 6503122 6585440 7021125 7395585 7408620 7489200 7502400 7888624 7902528 8231800 8874702 8987040 9260775 9361500 9378000 9754683 9860780 9878160 9985600 10289750 11233800 11832936 11853792 12325975 12347700 12482000 12504000 13006244 13170880 14042250 14791170 14817240 14978400 15434625 15777248 16257805 16463600 17749404 17974080 18521550 18723000 18756000 19509366 19721560 19756320 20579500 22186755 22467600 23665872 23707584 24651950 24695400 24964000 26012488 28084500 29264049 29582340 29634480 29956800 30869250 31554496 32515610 32927200 35498808 36977925 37043100 37446000 37512000 39018732 39443120 39512640 41159000 44373510 44935200 46303875 47331744 48773415 49303900 49390800 49928000 52024976 56169000 58528098 59164680 59268960 61629875 61738500 65031220 65854400 70997616 73955850 74086200 74892000 78037464 78886240 81289025 82318000 88747020 89870400 92607750 94663488 97546830 98607800 98781600 104049952 110933775 112338000 117056196 118329360 118537920 123259750 123477000 130062440 141995232 146320245 147911700 148172400 149784000 156074928 157772480 162578050 164636000 177494040 184889625 185215500 195093660 197215600 197563200 208099904 221867550 224676000 234112392 236658720 243867075 246519500 246954000 256873319 260124880 283990464 292640490 295823400 296344800 312149856 325156100 329272000 354988080 369779250 370431000 390187320 394431200 406445125 443735100 449352000 468224784 473317440 487734150 493039000 493908000 513746638 520249760 554668875 585280980 591646800 592689600 624299712 650312200 709976160 731601225 739558500 740862000 770619957 780374640 788862400 812890250 887470200 936449568 975468300 986078000 987816000 1027493276 1040499520 1109337750 1170561960 1183293600 1219335375 1284366595 1300624400 1419952320 1463202450 1479117000 1481724000 1541239914 1560749280 1625780500 1774940400 1872899136 1950936600 1972156000 2054986552 2218675500 2311859871 2341123920 2366587200 2438670750 2568733190 2601248800 2926404900 2958234000 2963448000 3082479828 3121498560 3251561000 3549880800 3658006125 3853099785 3901873200 3944312000 4109973104 4437351000 4623719742 4682247840 4877341500 5137466380 5202497600 5852809800 5916468000 6164959656 6421832975 6503122000 7099761600 7316012250 7706199570 7803746400 8219946208 8874702000 9247439484 9364495680 9754683000 10274932760 11559299355 11705619600 11832936000 12329919312 12843665950 13006244000 14632024500 15412399140 15607492800 16439892416 17749404000 18494878968 19265498925 19509366000 20549865520 23118598710 23411239200 24659838624 25687331900 26012488000 29264049000 30824798280 32109164875 35498808000 36989757936 38530997850 39018732000 41099731040 46237197420 46822478400 49319677248 51374663800 57796496775 58528098000 61649596560 64218329750 73979515872 77061995700 78037464000 82199462080 92474394840 96327494625 102749327600 115592993550 117056196000 123299193120 128436659500 147959031744 154123991400 184948789680 192654989250 205498655200 231185987100 234112392000 246598386240 256873319000 288982483875 308247982800 369897579360 385309978500 410997310400 462371974200 513746638000 577964967750 616495965600 739795158720 770619957000 924743948400 1027493276000 1155929935500 1232991931200 1541239914000 1849487896800 2054986552000 2311859871000 3082479828000 3698975793600 4623719742000 6164959656000 9247439484000 18494878968000
• Sum of all divisors σ(n): 67136071691520
• Sum of proper divisors (its aliquot sum) s(n): 48641192723520
• 18494878968000 is an abundant number, because the sum of its proper divisors (48641192723520) is greater than itself. Its abundance is 30146313755520

Bases of 18494878968000

• Binary: 100001101001000101100101100001110100011000000₂
• Hexadecimal: 0x10D22CB0E8C0
• Base-36: 6K0FHEWG0

Squares and roots of 18494878968000

• 18494878968000 squared (18494878968000²) is 342060548040968745024000000
• 18494878968000 cubed (18494878968000³) is 6326368435745466444689732255232000000000
• The square root of 18494878968000 is 4300567.2844405073
• The cube root of 18494878968000 is 26445.4217716041

Scales and comparisons

• 18,494,878,968,000 seconds is equal to 588,079 years, 49 weeks, 4 hours.
• To count from 1 to 18,494,878,968,000 would take you about one million, four hundred seventy thousand, one hundred ninety-nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18494878968000 cubic inches would be around 2203.8 feet tall.

Recreational maths with 18494878968000

• 18494878968000 backwards is 00086987849481
• 18494878968000 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18494878968000's digits is 72
• More coming soon!